Given the balanced equation: 3 NaOH + H3PO4 --> Na3PO4 + 3 H20 In a titration experiment, 80.3 mL of 0.175 M H3PO4 are needed to neutralize 27.5 mL of NaOH solution. A) Find the number of moles of H3PO4 in this experiment. (2 hints: start dimensional analysis with the volume of acid, & convert mL toL to cancel units diagonally.) B) Find the number of moles of NaOH in this experiment. (Hint: start dimensional analysis with the same steps as in part A, & convert to moles of NaOH.)

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### Titration Experiment Analysis

**Given the balanced equation:**

\[ 3 \text{NaOH} + \text{H}_3\text{PO}_4 \rightarrow \text{Na}_3\text{PO}_4 + 3 \text{H}_2\text{O} \]

In a titration experiment, 80.3 mL of 0.175 M \(\text{H}_3\text{PO}_4\) are needed to neutralize 27.5 mL of \(\text{NaOH}\) solution.

**Tasks:**

**A) Calculate the number of moles of \(\text{H}_3\text{PO}_4\) in this experiment.**  
*Hint: Start dimensional analysis with the volume of acid, and convert mL to L to cancel units diagonally.*

**B) Calculate the number of moles of \(\text{NaOH}\) in this experiment.**  
*Hint: Start dimensional analysis with the same steps as in part A, and convert to moles of \(\text{NaOH}\).*
Transcribed Image Text:### Titration Experiment Analysis **Given the balanced equation:** \[ 3 \text{NaOH} + \text{H}_3\text{PO}_4 \rightarrow \text{Na}_3\text{PO}_4 + 3 \text{H}_2\text{O} \] In a titration experiment, 80.3 mL of 0.175 M \(\text{H}_3\text{PO}_4\) are needed to neutralize 27.5 mL of \(\text{NaOH}\) solution. **Tasks:** **A) Calculate the number of moles of \(\text{H}_3\text{PO}_4\) in this experiment.** *Hint: Start dimensional analysis with the volume of acid, and convert mL to L to cancel units diagonally.* **B) Calculate the number of moles of \(\text{NaOH}\) in this experiment.** *Hint: Start dimensional analysis with the same steps as in part A, and convert to moles of \(\text{NaOH}\).*
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